First draft Conversation

composer.json

@@ -22,7 +22,8 @@
     "require": {
         "php": "^8.1",
         "guzzlehttp/guzzle": "^7.0",
-        "cache/simple-cache-bridge": "^1.2"
+        "cache/simple-cache-bridge": "^1.2",
+        "league/container": "^4.2"
     },
     "bin": [
         "./telepathy"

src/Cache/UsesCache.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Tii\Telepath\Cache;
+
+use Cache\Bridge\SimpleCache\SimpleCacheBridge;
+use Psr\Cache\CacheItemPoolInterface;
+use Psr\SimpleCache\CacheInterface;
+
+trait UsesCache
+{
+
+    protected ?CacheInterface $cache = null;
+
+    public function enableCaching(CacheInterface|CacheItemPoolInterface $cache): static
+    {
+        if ($cache instanceof CacheItemPoolInterface) {
+            $cache = new SimpleCacheBridge($cache);
+        }
+
+        $this->cache = $cache;
+
+        return $this;
+    }
+
+    public function cache(): ?CacheInterface
+    {
+        return $this->cache;
+    }
+
+}

src/Conversations/Conversation.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace Tii\Telepath\Conversations;
+
+use Tii\Telepath\Telegram\Update;
+use Tii\Telepath\TelegramBot;
+
+abstract class Conversation
+{
+
+    protected ?string $next = null;
+
+    public function __construct(
+        protected TelegramBot $bot
+    ) {}
+
+    public static function conversationKey(Update $update)
+    {
+        return "telepath.conversation.{$update->user()->id}.{$update->chat()->id}";
+    }
+
+    public function next(string $method)
+    {
+        $cache = $this->bot->cache();
+        $conversationKey = static::conversationKey($this->bot->latestUpdate());
+
+        $this->next = $method;
+        $cache->set($conversationKey, $this);
+    }
+
+    public function end()
+    {
+        $cache = $this->bot->cache();
+        $conversationKey = static::conversationKey($this->bot->latestUpdate());
+
+        $cache->delete($conversationKey);
+    }
+
+    public function __serialize(): array
+    {
+        $data = get_object_vars($this);
+        unset($data['bot']);
+
+        return $data;
+    }
+
+    public function __invoke(Update $update)
+    {
+        if ($this->next === null) {
+            return null;
+        }
+
+        return $this->{$this->next}($update);
+    }
+
+}

src/Handler/CallbackQuery.php → src/Handlers/CallbackQuery.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Tii\Telepath\Handler;
+namespace Tii\Telepath\Handlers;
 
 use Tii\Telepath\Telegram\Update;
 use Tii\Telepath\TelegramBot;

src/Handler/CallbackQuery/CallbackQueryData.php → src/Handlers/CallbackQuery/CallbackQueryData.php

@@ -1,8 +1,8 @@
 <?php
 
-namespace Tii\Telepath\Handler\CallbackQuery;
+namespace Tii\Telepath\Handlers\CallbackQuery;
 
-use Tii\Telepath\Handler\CallbackQuery;
+use Tii\Telepath\Handlers\CallbackQuery;
 use Tii\Telepath\MatchMaker\MatchMaker;
 use Tii\Telepath\Telegram\Update;
 use Tii\Telepath\TelegramBot;

src/Handler/ChannelPost.php → src/Handlers/ChannelPost.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Tii\Telepath\Handler;
+namespace Tii\Telepath\Handlers;
 
 use Tii\Telepath\Telegram\Update;
 use Tii\Telepath\TelegramBot;

src/Handler/ChatJoinRequest.php → src/Handlers/ChatJoinRequest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Tii\Telepath\Handler;
+namespace Tii\Telepath\Handlers;
 
 use Tii\Telepath\Telegram\Update;
 use Tii\Telepath\TelegramBot;

src/Handler/ChatMember.php → src/Handlers/ChatMember.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Tii\Telepath\Handler;
+namespace Tii\Telepath\Handlers;
 
 use Tii\Telepath\Telegram\Update;
 use Tii\Telepath\TelegramBot;

src/Handler/ChosenInlineResult.php → src/Handlers/ChosenInlineResult.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Tii\Telepath\Handler;
+namespace Tii\Telepath\Handlers;
 
 use Tii\Telepath\Telegram\Update;
 use Tii\Telepath\TelegramBot;

src/Handler/EditedChannelPost.php → src/Handlers/EditedChannelPost.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Tii\Telepath\Handler;
+namespace Tii\Telepath\Handlers;
 
 use Tii\Telepath\Telegram\Update;
 use Tii\Telepath\TelegramBot;

src/Handler/EditedMessage.php → src/Handlers/EditedMessage.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Tii\Telepath\Handler;
+namespace Tii\Telepath\Handlers;
 
 use Tii\Telepath\Telegram\Update;
 use Tii\Telepath\TelegramBot;

src/Handler/Handler.php → src/Handlers/Handler.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Tii\Telepath\Handler;
+namespace Tii\Telepath\Handlers;
 
 use Tii\Telepath\Telegram\Update;
 use Tii\Telepath\TelegramBot;